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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-2015) Job tracker should report the number of splits that are local to some task trackers
Date Wed, 10 Oct 2007 00:49:51 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-2015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12533561
] 

Hadoop QA commented on HADOOP-2015:
-----------------------------------

+1 overall.  Here are the results of testing the latest attachment 
http://issues.apache.org/jira/secure/attachment/12367404/hadoop-2015.txt
against trunk revision r583309.

    @author +1.  The patch does not contain any @author tags.

    javadoc +1.  The javadoc tool did not generate any warning messages.

    javac +1.  The applied patch does not generate any new compiler warnings.

    findbugs +1.  The patch does not introduce any new Findbugs warnings.

    core tests +1.  The patch passed core unit tests.

    contrib tests +1.  The patch passed contrib unit tests.

Test results: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/913/testReport/
Findbugs warnings: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/913/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/913/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/913/console

This message is automatically generated.

> Job tracker should report the number of splits that are local to some task trackers
> -----------------------------------------------------------------------------------
>
>                 Key: HADOOP-2015
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2015
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: mapred
>            Reporter: Runping Qi
>            Assignee: Runping Qi
>         Attachments: hadoop-2015.txt
>
>
> Right now, jon tracker keeps track the number of launched mappers with local data.
> However, it is not clear how many mappers that are potentially be launched with data
locality.
> This information is readily available in Job Tracker. It is just a matter to create a
separate global  counter 
> and set it at the Job Tracker initialization time.

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